On Thu, Dec 02, 2010 at 05:17:00PM +0530, Srivatsa Vaddagiri wrote: > Just was wondering how this would work in case of buggy guests. Lets say that > a > guest ran into a AB<->BA deadlock. VCPU0 spins on lock B (held by VCPU1 > currently), while VCPU spins on lock A (held by VCPU0 currently). Both keep > boosting each other's vruntime, potentially affecting fairtime for other > guests > (to the point of starving them perhaps)?
Guests that exhibit strong spinlock contentions can cause similar symptoms as well? - vatsa